Fecha de publicación: 20/09/2022 Fuente: WIPO Wine The invention discloses a preparation method of a rice protein beverage and light yellow wine, which comprises the following steps: (a) sieving, soaking and cooking rice-containing grains, cooling, and adding a glutamine transaminase solution for crosslinking; (b) adding saccharifying enzyme, liquefying enzyme and edible lactic acid composite solution for enzymolysis; squeezing and filtering the saccharified rice-containing grains, respectively collecting residues and saccharified liquid, and controlling the sugar degree of the saccharified liquid to be 40-degree Brix; and (c) preparing the rice protein beverage and the light yellow wine. The method improves the additional value of wine making enterprises and the utilization rate of wine making raw materials, improves the taste of yellow wine, and is environment-friendly.